All commercially grown bean var. in Central America of small shiny red grain type are susceptible to one or more strains of BCMV. An attempt was made to recombine the important var. characteristics of var. such as Honduras 46, Rojo Zamorano, Nahuizalco, Rojo de Seda, and Desarrural, in addition t...
Temple, Steven R.
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Morales, Francisco José
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[Conversion de cultivares de frijol (P. vulgaris) susceptibles al BCMV, a cultivares resistentes mediante la incorporacion de la resistencia hipersensible]
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Conversion de cultivares de frijol (P. vulgaris) susceptibles al BCMV, a cultivares resistentes mediante la incorporacion de la resistencia hipersensible
While symbiotic nitrogen (N2) fixation by G. max and P. vulgaris reduces their need for combined N, N2 fixation under field conditions is rarely maximized. This paper reviews constraints to N2 fixation in these species, then examines the genetic variability recorded for traits affecting N2 fixati...
Graham, Peter H.
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Temple, Steven R.
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[Selection for improved nitrogen fixation in Glycine max (L.) Merr. and Phaseolus vulgaris L.]
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Selection for improved nitrogen fixation in Glycine max (L.) Merr. and Phaseolus vulgaris L.
Current methodologies and selection criteria used to screen and adapt var. for intercropping systems, especially beans/maize associations, in the tropics are reviewed. The overall importance of intercropping systems in the tropics is discussed as well as general plant characteristics useful for t...
Francis, C.A.
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Flor Montoya, Carlos A.
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Temple, Steven R.
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[Adapting varieties for intercropped systems in the tropics]
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Adapting varieties for intercropped systems in the tropics
The bean (Phaseolus vulgaris) cultivar Jules and the PI 207262 line are moderately resistant to Xanthomonas campestris pv. phaseoli in the temperate zone but appeared susceptible in field evaluations in the tropics. Susceptibility to the pathogen was related to environmental factors that caused v...
Webster, DM
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Temple, Steven R.
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Galvez, G
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[Expression of resistance to Xanthomonas campestris pv. phaseoli in Phaseolus vulgaris under tropical conditions]
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Expression of resistance to Xanthomonas campestris pv. phaseoli in Phaseolus vulgaris under tropical conditions
Data obtained from the international Bean Rust Nursery (IBRN) in 1975-76 showed that none of the 132 cv. and breeding lines tested was resistant to bean rust; however, some were susceptible only in specific geographical regions. CIATs bean program has concentrated its efforts on selecting rust-re...
This audiotutorial unit (cassette, printed script, 139 color slides, study guide, self-evaluation test), prepared by the Communications Support Unit at CIAT, is available for use with a manually or automatically synchronized slide projector/cassette tape recorder. Each unit is available from the ...
Esta unidad audiotutorial (cinta magnetofonica, guion, 149 transparencias a color, guia de estudio, auto-evaluacion), preparada por la Unidad de Comunicaciones del CIAT, esta disponible para uso en sincronizacion automatica o manual por medio de un proyector de transparencias y una grabadora de c...
Campos Segura, Ricardo
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Flor Montoya, Carlos A.
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Ospina O., Héctor Fabio
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Temple, Steven R.
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[Cruzamiento del fríjol [conjunto audiotutorial]]
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Cruzamiento del fríjol [conjunto audiotutorial]
In search of tolerance to BGMV, screening of 41 F2 and F3 populations of a group of crosses from CIAT was started in Guatemala in 1977. In 1978, some F4 F5 and F6 selections were evaluated in preliminary yield trials with high infection pressure. In 1979 the best F7 and F8 lines were widely teste...
Yoshii, K.
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Gálvez E., Guillermo E.
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Temple, Steven R.
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Orozco, SH
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Masaya, P.M.
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[Release of three new Guatemalan bean varieties tolerant to golden mosaic virus]
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Release of three new Guatemalan bean varieties tolerant to golden mosaic virus